# Protozoa in biological research

> 1941 Columbia University Press edition

**Wikidata**: [Q51376751](https://www.wikidata.org/wiki/Q51376751)  
**Source**: https://4ort.xyz/entity/protozoa-in-biological-research


## References

1. Biodiversity Heritage Library
2. Library of Congress Online Catalog
3. Internet Archive
4. Source